You barter with your pact holder for temporary power, consuming your own life force for a powerful attack

Daily   ✦     Arcane, Implement, Necrotic
Standard Action      Ranged 10

Target: One creature

Attack: Charisma vs. Will

Hit: 3d8 + Charisma modifier necrotic damage.

Miss: Half damage.

Effect: You can choose to lose a healing surge. If you do so, the target takes ongoing 5 necrotic damage (save ends).

Published in Dragon Magazine 372, page(s) 23.